Exposure
ID
MATIS.2025-06-21T07:01:17.539_1
Header ID
MATIS.2025-06-21T07:01:17.539
Date updated
2025-06-21 07:10:50 UTC+0000
Release date
2026-06-21 07:10:50 UTC+0000
UTC Start
2025-06-21 07:01:17.539
UTC End
2025-06-21 07:02:17.547
MJD Start
60847.29256411
MJD End
60847.29325864704
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0041635000000000005
Ambient temperature (°C)
12.09
Seeing (arcsec)
0.44499999999999995
Observation
ID
68183
Category
science
Program ID
115.27VC.005
Program Title
UNVEILING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: IMAGING THE RED SUPERGIANT VX SAGITARII WITH VLTI AND ALMA
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / KRTICKA / PALADINI / HÖFNER / FREYTAG / HUMPHREYS
Target
ID
50684
Name
V VX Sgr
RA
272.016859
DEC
-22.22406
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 59.4580 59.3240 285.2000 285.4000
K0-D0 84.5780 84.3930 261.8000 261.8000
K0-J3 55.3110 55.3020 348.9570 349.1030
G2-D0 38.2490 38.2160 223.5000 223.6000
G2-J3 60.6870 60.6170 50.4260 50.4680
D0-J3 98.7660 98.6630 47.7570 47.7990
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VC.005
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60847.29256411
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME V VX Sgr
RA 272.016859
DEC -22.22406
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
HIERARCH ESO ISS PBL12 START 59.458
HIERARCH ESO ISS PBL12 END 59.324
HIERARCH ESO ISS PBLA12 START 285.2
HIERARCH ESO ISS PBLA12 END 285.4
HIERARCH ESO ISS PBL13 START 84.578
HIERARCH ESO ISS PBL13 END 84.393
HIERARCH ESO ISS PBLA13 START 261.8
HIERARCH ESO ISS PBLA13 END 261.8
HIERARCH ESO ISS PBL14 START 55.311
HIERARCH ESO ISS PBL14 END 55.302
HIERARCH ESO ISS PBLA14 START 348.957
HIERARCH ESO ISS PBLA14 END 349.103
HIERARCH ESO ISS PBL23 START 38.249
HIERARCH ESO ISS PBL23 END 38.216
HIERARCH ESO ISS PBLA23 START 223.5
HIERARCH ESO ISS PBLA23 END 223.6
HIERARCH ESO ISS PBL24 START 60.687
HIERARCH ESO ISS PBL24 END 60.617
HIERARCH ESO ISS PBLA24 START 50.426
HIERARCH ESO ISS PBLA24 END 50.468
HIERARCH ESO ISS PBL34 START 98.766
HIERARCH ESO ISS PBL34 END 98.663
HIERARCH ESO ISS PBLA34 START 47.757
HIERARCH ESO ISS PBLA34 END 47.799
HIERARCH ESO ISS AMBI TAU0 START 0.004194
HIERARCH ESO ISS AMBI TAU0 END 0.004133
HIERARCH ESO ISS AMBI TEMP 12.09
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.42